This part of GB/T 33540 specifies the product variety and designation, requirements and test methods, inspection rules and marking, packaging, transportation and storage of gear oils for wind turbine, which adopts synthetic oils as the base by mixing with various types of function additives.
This part is applicable to gear oils for gear transmission system of wind turbine. The gear transmission system includes the main gearbox, yaw reduction gearbox and variable pitch reduction gearbox.
Products described in this part are particularly applicable to wind turbine gearbox of low temperature type.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 260 Determination of Water Content in Petroleum Products
GB/T 265 Petroleum Products - Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity
GB/T 1690 Rubber, Vulcanized or Thermoplastic - Determination of the Effect of Liquids
GB/T 1995 Petroleum Products - Calculation of Viscosity Index
GB/T 2541 Petroleum Products; Computation Table for Viscosity Indices
GB/T 3141 Industrial Liquid Lubricants - ISO Viscosity Classification
GB/T 3142 Lubricants; Determination of Load Carrying Capacity (Four Balls Method)
GB/T 3535 Petroleum Products - Determination of Pour Point
GB/T 3536 Petroleum Products - Determination of Flash and Fire points - Cleveland Open Cup Method
GB/T 4756 Petroleum Liquids - Manual Sampling
GB/T 5096 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test
GB/T 33540.3-2017 The following standards are cited：
GB/T 33540.3-2017 Cited by the following standards：
